Home / 766,294.34-1,057,518.99-426,762.59

Finding the Fourth Proportional to 766,294.34, 1,057,518.99 and 426,762.59

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Solution

The fourth proportional to 766,294.34, 1,057,518.99 and 426,762.59 is: 588,950.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,294.34 : 1,057,518.99 = 426,762.59 : x
  2. Step 2: Convert to fraction form
    766,294.34/1,057,518.99 = 426,762.59/x
  3. Step 3: Cross multiply
    766,294.34x = 1,057,518.99 × 426,762.59
  4. Step 4: Simplify right side
    766,294.34x = 451,309,537,858.99
  5. Step 5: Solve for x
    x = 451,309,537,858.99/766,294.34
  6. Step 6: Final answer
    x = 588,950.64

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.